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Young, Thomas in correspondent 
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From:
Thomas Young
To:
Sir John Herschel
Date:
16 February [1829]
Source of text:
RS:HS 18.348
Summary:

JH's determination of length of equinoctial year will remain for long time. Mrs. Young is delighted to hear of JH's new discovery.

Contributor:
John Herschel Project
From:
Thomas Young
To:
Sir John Herschel
Date:
[18 February 1829]
Source of text:
RS:HS 18.349
Summary:

Invites JH to join TY to meet Thomas Henderson at [Davies] Gilbert's party Saturday. T. F. Colby accepted payment from Board of Longitude up to Christmas; Henry Kater would not accept payment beyond dissolution of Board. TY believes JH should accept payment at least from March to June.

Contributor:
John Herschel Project
From:
Thomas Young
To:
Sir John Herschel
Date:
[1829-5 or earlier]
Source of text:
RS:HS 18.353
Summary:

Measurement of moon's diameter and distance. Expects JH will soon have 'official authority over me' and [Nautical Almanac]. Astronomers probably regulate sidereal clock by variable equinox because they cannot find a fixed one. Errors in JH's equinoctial time.

Contributor:
John Herschel Project